After graduating from Tokyo University of Education, he joined Toyo Industries in 1955.
He played 42 games and the club also won the championship for 3 years in a row (1965-1967) in the league.
In June 1956, he was selected Japan national team for 1956 Summer Olympics qualification.
In 1964, when he was 31 years old, he was the captain of Japan national team, but he was not selected as a member for 1964 Summer Olympics in Tokyo for generational change.
[4] In 2014, Ozawa was selected Japan Football Hall of Fame.